diff --git a/frontend/components/notification/NotificationBell.vue b/frontend/components/notification/NotificationBell.vue
new file mode 100644
index 0000000..9e71fed
--- /dev/null
+++ b/frontend/components/notification/NotificationBell.vue
@@ -0,0 +1,171 @@
+<template>
+    <div ref="bellRef" class="relative">
+        <button
+            type="button"
+            class="relative rounded-md p-2 text-white hover:bg-primary-600 transition-colors"
+            @click="toggleDropdown"
+        >
+            <Icon name="mdi:bell-outline" size="24" />
+            <span
+                v-if="unreadCount > 0"
+                class="absolute -right-0.5 -top-0.5 flex h-5 min-w-5 items-center justify-center rounded-full bg-red-500 px-1 text-xs font-bold text-white"
+            >
+                {{ unreadCount > 99 ? '99+' : unreadCount }}
+            </span>
+        </button>
+
+        <Transition name="dropdown">
+            <div
+                v-if="isOpen"
+                class="absolute right-0 top-full z-50 mt-2 w-80 rounded-md border border-neutral-200 bg-white shadow-lg"
+            >
+                <div class="flex items-center justify-between border-b border-neutral-200 px-4 py-3">
+                    <h3 class="text-sm font-semibold text-neutral-800">
+                        {{ $t('notification.title') }}
+                    </h3>
+                    <button
+                        v-if="unreadCount > 0"
+                        type="button"
+                        class="text-xs text-primary-500 hover:text-primary-700 transition-colors"
+                        @click="handleMarkAllRead"
+                    >
+                        {{ $t('notification.markAllRead') }}
+                    </button>
+                </div>
+
+                <div class="max-h-96 overflow-y-auto">
+                    <div v-if="isLoading" class="flex items-center justify-center py-8">
+                        <Icon name="mdi:loading" size="24" class="animate-spin text-neutral-400" />
+                    </div>
+
+                    <div v-else-if="notifications.length === 0" class="px-4 py-8 text-center text-sm text-neutral-500">
+                        {{ $t('notification.empty') }}
+                    </div>
+
+                    <template v-else>
+                        <button
+                            v-for="notif in notifications"
+                            :key="notif.id"
+                            type="button"
+                            class="flex w-full gap-3 px-4 py-3 text-left transition-colors hover:bg-neutral-50"
+                            :class="{ 'bg-primary-50': !notif.isRead }"
+                            @click="handleClick(notif)"
+                        >
+                            <div
+                                class="mt-1.5 h-2 w-2 flex-shrink-0 rounded-full"
+                                :class="notif.isRead ? 'bg-transparent' : 'bg-primary-500'"
+                            />
+                            <div class="min-w-0 flex-1">
+                                <p class="text-sm font-medium text-neutral-800 truncate">
+                                    {{ notif.title }}
+                                </p>
+                                <p class="mt-0.5 text-xs text-neutral-500 truncate">
+                                    {{ notif.message }}
+                                </p>
+                                <p class="mt-1 text-xs text-neutral-400">
+                                    {{ formatRelativeDate(notif.createdAt) }}
+                                </p>
+                            </div>
+                        </button>
+                    </template>
+                </div>
+            </div>
+        </Transition>
+    </div>
+</template>
+
+<script setup lang="ts">
+import type { Notification } from '~/services/dto/notification'
+import { useNotifications } from '~/composables/useNotifications'
+
+const {
+    unreadCount,
+    notifications,
+    isLoading,
+    fetchNotifications,
+    markAsRead,
+    markAllAsRead,
+    startPolling,
+    stopPolling,
+} = useNotifications()
+
+const bellRef = ref<HTMLElement>()
+const isOpen = ref(false)
+
+function toggleDropdown() {
+    isOpen.value = !isOpen.value
+    if (isOpen.value) {
+        fetchNotifications()
+    }
+}
+
+function handleClick(notif: Notification) {
+    if (!notif.isRead) {
+        markAsRead(notif.id)
+    }
+
+    if (notif.relatedTicket) {
+        const auth = useAuthStore()
+        const isClient = auth.user?.roles?.includes('ROLE_CLIENT')
+
+        if (isClient) {
+            navigateTo(`/portal`)
+        } else {
+            navigateTo(`/admin?tab=tickets`)
+        }
+
+        isOpen.value = false
+    }
+}
+
+async function handleMarkAllRead() {
+    await markAllAsRead()
+}
+
+const { t } = useI18n()
+
+function formatRelativeDate(dateStr: string): string {
+    const date = new Date(dateStr)
+    const now = new Date()
+    const diffMs = now.getTime() - date.getTime()
+    const diffMin = Math.floor(diffMs / 60000)
+    const diffHours = Math.floor(diffMin / 60)
+    const diffDays = Math.floor(diffHours / 24)
+
+    if (diffMin < 1) return t('notification.timeAgo.now')
+    if (diffMin < 60) return t('notification.timeAgo.minutes', { n: diffMin })
+    if (diffHours < 24) return t('notification.timeAgo.hours', { n: diffHours })
+    if (diffDays < 7) return t('notification.timeAgo.days', { n: diffDays })
+
+    return date.toLocaleDateString('fr-FR', { day: 'numeric', month: 'short' })
+}
+
+// Close dropdown when clicking outside
+function onClickOutside(event: MouseEvent) {
+    if (!bellRef.value?.contains(event.target as Node)) {
+        isOpen.value = false
+    }
+}
+
+onMounted(() => {
+    startPolling()
+    document.addEventListener('click', onClickOutside)
+})
+
+onUnmounted(() => {
+    stopPolling()
+    document.removeEventListener('click', onClickOutside)
+})
+</script>
+
+<style scoped>
+.dropdown-enter-active,
+.dropdown-leave-active {
+    transition: opacity 0.15s ease, transform 0.15s ease;
+}
+.dropdown-enter-from,
+.dropdown-leave-to {
+    opacity: 0;
+    transform: translateY(-4px);
+}
+</style>